Home / 112,323.82-155,007.14-61,336.65

Finding the Fourth Proportional to 112,323.82, 155,007.14 and 61,336.65

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Solution

The fourth proportional to 112,323.82, 155,007.14 and 61,336.65 is: 84,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,323.82 : 155,007.14 = 61,336.65 : x
  2. Step 2: Convert to fraction form
    112,323.82/155,007.14 = 61,336.65/x
  3. Step 3: Cross multiply
    112,323.82x = 155,007.14 × 61,336.65
  4. Step 4: Simplify right side
    112,323.82x = 9,507,618,693.68
  5. Step 5: Solve for x
    x = 9,507,618,693.68/112,323.82
  6. Step 6: Final answer
    x = 84,644.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.